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USB devices not being recognized

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Danimal174's Avatar
Junior Member with 6 posts.
 
Join Date: May 2006
Experience: Intermediate
07-May-2009, 01:10 AM #1
USB devices not being recognized
To give you some background -

I have a Toshiba Satellite laptop running Windows XP SP 3. Around a week ago, I found the Confickr virus on the laptop, so I used MalwareBytes to remove it, which appears to have done the job. However, since this happened, my USB devices are no longer recognized by my PC. I've tried all three hubs on the computer and have had no luck with any of them. The devices (I've tried two different USB flash drives and my digital camera) all worked fine before, but none are being recognized now. The devices get power when plugged into any of the ports, so I don't think the power is the problem; however, Windows isn't recognizing them as it usually does (i.e. assigning a drive to them in Windows Explorer). So, I tried my Zune, which doesn't get a drive assigned to it; the first couple of times I plugged it in, I got the "A USB device has exceeded the power limits of its hub" message. Afterwards, the Zune appears to work correctly (i.e. I can sync it with the Zune software and it appears to work fine); however, it doesn't appear to be charging the Zune at all, which it usually does.

To investigate this further, I checked Device Manager to see if there any issues listed with the USB Controllers. All of the controllers and hubs say they are functioning properly, according to their "Device Status" information. I've checked all three of the hubs in Device Manager, to make sure that the "Allow the computer to turn off this device to save power" option isn't checked; it isn't. I've also tried updating my drivers, but all say that they are up-to-date.

At this point, I'm stuck. Not sure what to do next. Any help / ideas would be greatly appreciated.


Thanks,
Dan
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